Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phap toan o snippets" » "phap toan code snippets", "phap hoan o snippets", "phap luan o snippets", "tap toan o snippets", "phap toan ho snippets", "phap toan co snippets", "phap toan do snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("phap toan o snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("phap toan o snippets"))) OR ("locating bug core snippets")).
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